PUSH BACK RACK

Advantageous For Medium To High SKU Counts

Push Back Racking

Push-back racking has enjoyed rapid growth in popularity recently due to offering similar space savings as drive-in, with typically 3 to 5 times greater selectivity. This growth has been spurred by marketing trends such as rapid increases in number of SKUs, mass customization, and more rapid product obsolescence.

Each level in a push-back system holds a series of nested rolling carts, operating in a lane which slopes upward away from the pick face.

To load the lane, the first pallet loaded in the lane is loaded onto the top cart. To load the next pallet in the lane, the lift truck operator lines up in front of the first pallet and pushes against it, causing the first pallet to roll back away from the pick face, and exposing the next cart, which the second pallet can be lowered onto, once it’s in position. The process is repeated until the lane is full. To empty the lane, the operator slowly removes the last pallet in, and the others roll back forward, down to the pick face. Similarly, the process continues until the lane is empty.

More Information

There are a number of particular factors to satisfy before making a push-back purchase:

Carts should be linked to avoid “runaway carts”.

Pallet quality must be considered.

Slope is critical for both safety and operating performance.

The system must be designed for dynamic loads – in simple terms, that means it needs to be more robust than if pallets were static. This also means that Push-Back requires more complex engineering. One sub-standard component, and your system may not flow! Unfortunately, we’ve seen customers victimized this way.

“Vertical Profile” of the nested carts may be critical, if there is a height restriction in the building.

Push-Back systems are starting to be misapplied, the same as Drive-In systems once were. You need to make sure that you are storing the right cross-section of your SKU’s in Push-Back systems.

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